Alert archive / Ohio / Tornado Warnings in 1991

Tornado Warning 6, NWS Cleveland, OH

August 17, 1991Portage County, Summit County, Ohio

NWS Cleveland, OH issued this tornado warning at Aug 17, 1991, 5:35 PM EDT for Portage County, Summit County, Ohio. It was in force for 40 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 17, 1991, 5:35 PM EDT (21:35 UTC)
Expired
Aug 17, 1991, 6:15 PM EDT
In force
40 min
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Portage County, OH, Summit County, OH

What was reported inside it

TimeReportWhereRemark
Aug 17, 5:50 PM EDTThunderstorm Wind 0Portage, OH

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.6 hours before the alert went out and 134 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 1991-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 29 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 1991-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
29 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
1429 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Aug 17, 12:12 PM EDT, 5 hours 23 minutes before
OHZO11-171900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
1210 PM EDT SAT AUG 17 1991

SHOWERS AND THUNDERSTORMS WERE MOVING INTO SOUTHWEST CRAWFORD COUNTY.

AT 1205 PM NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF
SCATTERED SHOWERS AND THUNDERSTORMS ACROSS WESTERN OHIO. MOVEMENT
OF THIS PRECIPITATION WAS NORTHEAST AT 35 MPH AND SHOULD REACH THE CITY
OF BUCYRUS BY 1220 PM. HEAVY RAIN AND GUSTY WINDS MAY ACCOMPANY THESE
SHOWERS AND THUNDERSTORMS.

PEOPLE ATTENDING THE BRATWURST FESTIVAL IN BUCYRUS OHIO SHOULD BE
PREPARED TO TAKE SHELTER AS THESE STORMS APPROACH.

DOXEY
Special weather statement, Aug 17, 12:17 PM EDT, 5 hours 18 minutes before
OHZ011-171900-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE MANSFIELD OH
1215 PM EDT SAT AUG 17 1991

SHOWERS AND THUNDERSTORMS WERE MOVING INTO SOUTHWEST CRAWFORD COUNTY.

AT 1205 PM NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF
SCATTERED SHOWERS AND THUNDERSTORMS ACROSS WESTERN OHIO. MOVEMENT
OF THIS PRECIPITATION WAS NORTHEAST AT 35 MPH AND SHOULD REACH THE CITY
OF BUCYRUS BY 1220 PM. HEAVY RAIN AND GUSTY WINDS MAY 4ACCOMPANY THESE
SHOWERS AND THUNDERSTORMS.

PEOPLE ATTENDING THE BRATWURST FESTIVAL IN BUCYRUS OHIO SHOULD BE
PREPARED TO TAKE SHELTER AS THESE STORMS APPROACH.

DOXEY

...CORRECTED HEADER...
Special weather statement, Aug 17, 3:29 PM EDT, 2 hours 6 minutes before
OHZ004-172100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
328 PM EDT SAT AUG 17 1991

STRONG THUNDERSTORMS WERE MOVING INTO MAHONING AND COLUMBIANA
COUNTIES IN NORTHEAST OHIO THIS AFTERNOON.

AT 325 PM WEATHER SERVICE RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS FROM JUST NORTH OF AKRON TO ZANESVILLE. THESE STORMS
WERE MOVING EAST AT 30 MPH AND WILL MOVE INTO WESTERN MAHONING AND
COLUMBIANA COUNTIES BY 340 PM.

THESE STORMS ARE CAPABLE OF PRODUCING HEAVY DOWNPOURS...WIND GUSTS OF
AROUND 40 MPH...SMALL HAIL AND FREQUENT LIGHTNING. STAY TUNED TO NOAA
WEATHER RADIO AND LOCAL MEDIA FOR FURTHER UPDATES.

APFEL
Special weather statement, Aug 17, 3:37 PM EDT, 1 hour 58 minutes before
OHZALL-172100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OHIO
340 PM EDT SAT AUG 17 1991

THUNDERSTORMS WITH GUSTY WINDS WERE AFFECTING PARTS OF NORTHERN OHIO
THIS AFTERNOON.

AT 335 PM WEATHER SERVICE RADAR SHOWED SHOWERS AND THUNDERSTORMS
SCATTERED ACROSS NORTHERN OHIO. THE PRECIPITATION WAS MOVING NORTHEAST
AT AROUND 30 MPH. NEW THUNDERSTORMS SHOULD CONTINUE TO FORM OVER THE
AREA UNTIL LATE TONIGHT.

AT 315 PM THE LORAIN COUNTY SHERIFF REPORTED STRONG GUSTY WINDS... VERY
HEAVY RAIN... AND FREQUENT LIGHTENING THERE. SIMILAR CONDITIONS COULD
OCCUR FROM ANY OF THE STORMS CROSSING NORTHERN OHIO THIS EVENING... SO
PEOPLE SHOULD REMAIN ALERT FOR THREATENING WEATHER AND KEEJP TRACK OF
LATEST INFORMATION FROM THE WEATHER SERVICE.

KWIATKOWSKI
Special weather statement, Aug 17, 4:14 PM EDT, 1 hour 21 minutes before
OHZ004-007-172100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
412 PM EDT SAT AUG 17 1991

AT 405 PM EDT AKRON CANTON WEATHER RADAR INDICATED AN AREA OF
THUNDERSTORMS MOVING INTO EAST CENTRAL OHIO.

ONE THUNDERSTORM...10 MILES WEST OF COSHOCTON...CONTAINED VERY
HEAVY RAINS AND COULD PRODUCE WIND GUSTS OF 40 TO 50 MPH ALONG
WITH SMALL HAIL. THIS PARTICULAR THUNDERSTORM WAS MOVING NORTHEAST AT
30 MPH AND WILL MOVE THROUGH COSHOCTON COUNTY TO WEST CENTRAL TUSCARAWAS
COUNTY BY 5 PM.

THOMPSON
Special weather statement, Aug 17, 4:30 PM EDT, 1 hour 5 minutes before
OHZALL-172130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OHIO
430 PM EDT SAT AUG 17 1991

THUNDERSTORMS WITH GUSTY WINDS WERE AFFECTING PARTS OF NORTH CENTRAL
OHIO THIS AFTERNOON.

AT 425 PM WEATHER SERVICE RADAR SHOWED A CLUSTER OF THUNDERSTORMS
OVER NORTHERN ASHLAND...SOUTHERN LORAIN AND WESTERN MEDINA COUNTIES.
OTHER WIDELY SCATTERED SHOWERS AND THUNDERSTORMS DOTTED THE REMAINDER
OF NORTHERN OHIO. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT
30 MPH.

COOPERATIVE OBSERVERS AND COUNTY SHERIFF DEPARTMENTS REPORT GUSTY WINDS
BRIEF HEAVY RAIN AND FREQUENT LIGHTENING IN THE VICINITY OF THESE STORMS.
PEOPLE SHOULD REMAIN ALERT FOR THREATENING WEATHER AND KEEP TRACK OF THE
LATEST INFORMATION FROM THE WEATHER SERVICE.

SJN

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 17, 4:24 PM EDTSevere Thunderstorm WarningCLECoshocton, Holmes66 min
Aug 17, 4:41 PM EDTSevere Thunderstorm WarningCLEErie, Huron64 min
Aug 17, 4:47 PM EDTSevere Thunderstorm WarningCLEStark58 min

Nearby

Tornado Warnings in Ohio, 1991Every tornado warning in 1991Tornadoes in 1991

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.